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Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 520
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Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 104
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Author: Timo Olavi Vuorisalo
Publisher: Springer Science & Business Media
ISBN: 9781402002793
Category : Medical
Languages : en
Pages : 368
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Book Description
"The lack of discussion of the life histories of modular organisms is the weakness of this book that I most regret. . . . Modular organisms are different. " S. C. Steams: The Evolution of Life Histories (1992) Life-history theory endeavours to increase our understanding of the processe,s whereby the broad features of the life cycles of organisms, such as the timing and magnitude of reproduction, have evolved. Although reproductive traits have dominated as study objects due to their immediate importance for evolutionary success, much work has also been conducted on patterns of development, growth and senescence, as well as on the shifts in resource allocation related to these processes. The basic axiom of life-history theory is that patterns of life histories, such as reproductive traits, are subject to evolutionary explanation. This idea can be traced back at least as far as Darwin's Origin of Species (1859). In his discussion of plant domestication, Darwin wrote: "I cannot doubt that the continued selection of slight variations, either in the leaves, the flowers, or the fruit, will produce races differing from each other chiefly in these characters". Darwin was impressed by the success of plant breeders in moulding the growth and reproductive parameters of cultivated plants, and believed that natural selection could have a similar impact in natural populations.
Author: David Briggs
Publisher: Cambridge University Press
ISBN: 110760222X
Category : Science
Languages : en
Pages : 595
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Book Description
The long-awaited fourth edition of a classic text, now fully revised and updated for the molecular era.
Author: Ratikanta Maiti
Publisher: American Academic Press
ISBN: 163181866X
Category : Technology & Engineering
Languages : en
Pages : 238
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Book Description
With new discoveries and inventions in science, application of botany has attained many dimensions. Besides the conventional application of botanical sciences, forensic botany; nanobotany; phytoremideation and phytominimg; environmental impact assessment, seed quality enhancement through priming are the new dimensions of applied botany. The industrial applications of botany are in paper pulp, rubber, dye and gum industries. At social front, besides providing the livelihood and employment through cultivation of crops, the branches of botany like community forestry are playing major role in the upliftment of folks. Use of mechanisms of carnivorous plants in plant protection; and management of invasive plants for economic gains and conservation of biodiversity are new challenges in applied botany.
Author: Raymond Stephanson
Publisher: University of Toronto Press
ISBN: 1442666935
Category : History
Languages : en
Pages : 579
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Book Description
From theories of conception and concepts of species to museum displays of male genitalia and the politics of breastmilk, The Secrets of Generation is an interdisciplinary examination of the many aspects of reproduction in the eighteenth century. Exploring the theme of generation from the perspective of histories of medicine, literature, biology, technology, and culture, this collection offers a range of cutting-edge approaches. Its twenty-four contributors, scholars from across Europe and North America, bring an international perspective to discuss reproduction in British, French, American, German, and Italian contexts. The definitive collection on eighteenth-century generation and its many milieus, The Secrets of Generation will be an essential resource for studying this topic for years to come.
Author: Flora of North America Editorial Committee
Publisher: Oxford University Press
ISBN: 0195318226
Category : Science
Languages : en
Pages : 821
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Book Description
Flora of North America Volume 7 will be the eighth of 19 volumes on dicotyledons to be published in the Flora of North America North of Mexico series. It treats 923 species classified among 125 genera in 11 families; the larger families covered in Volume 7 include Brassicaceae (Mustard family), Cleomaceae (Spiderflower family), and Salicaceae (Willow family). The endemic family Limnanthaceae with eight species classified in two genera (Floerkea and Limnanthes) is also included in the volume. Each genus has representative species illustrated with a line drawing that, in combination with keys and descriptions, will facilitate identifications of these groups of plants. Some of the genera treated in this volume with the most species in the flora area include: Boechera, Cardamine, Draba, Lepidium, Physaria, and Streptanthus (Brassicaceae) with 109, 39, 121, 42, 88, and 35 species, respectively; plus Salix and Populus (Salicaceae) with 113 and 8 species, respectively. Three families are represented in the flora each with a single introduced species: Caricaceae (Papaya family), Moringaceae (Drumstick tree family), and Tropaeolaceae (Nasturtium family). Standing Orders To receive all Flora of North America titles automatically as they are published, and at a 25% discount, please submit your request for a standing order (ISBN 978-0-19-521735-3) to
[email protected].
Author: David M. John
Publisher: Cambridge University Press
ISBN: 9780521770514
Category : Nature
Languages : en
Pages : 724
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Table of contents
Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 1338
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Author: A.N. Rai
Publisher: Springer Science & Business Media
ISBN: 0306480050
Category : Science
Languages : en
Pages : 357
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Book Description
Cyanobacterial symbioses are no longer regarded as mere oddities but as important components of the biosphere, occurring both in terrestrial and aquatic habitats worldwide. It is becoming apparent that they can enter into symbiosis with a wider variety of organisms than hitherto known, and there are many more still to be discovered, particularly in marine environments. The chapters cover cyanobacterial symbioses with plants (algae, bryophytes, Azolla, cycads, Gunnera), cyanobacterial symbioses in marine environments, lichens, Nostoc-Geosiphon (a fungus closely related to arbuscular mycorrhiza fungi) symbiosis, and artificial associations of cyanobacteria with economically important plants. In addition, cyanobiont diversity, sensing-signalling, and evolutionary aspects of the symbiosis are dealt with. Renowned experts actively involved in research on cyanobacterial symbioses deal with ecological, physiological, biochemical, molecular, and applied aspects of all known cyanobacterial symbioses. This volume on cyanobacteria in symbiosis complements the two earlier volumes on cyanobacteria published by Kluwer (Molecular Biology of Cyanobacteria, edited by D.A. Bryant and Ecology of Cyanobacteria, edited by B.A. Whitton and M. Potts). Together, the three volumes provide the most comprehensive treatment of cyanobacterial literature as a whole. The book will serve as a valuable reference work and text for teaching and research in the field of plant-microbe interactions and nitrogen fixation.
Author: Olov Hedberg
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 438
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Book Description
